#!/bin/sh
# Copyright 2013, Alexis La Goutte (See AUTHORS file)
#
# For git user: copy pre-commit to .git/hook/ folder
#   To not launch the script when committing, use --no-verify argument
#
# From
# http://mark-story.com/posts/view/using-git-commit-hooks-to-prevent-stupid-mistakes
#

unset GREP_OPTIONS

if [ -z $GIT_DIR ]; then GIT_DIR=".git"; fi

if [ -z $1 ]; then
    COMMIT_ID="HEAD"
else
    COMMIT_ID=$1
fi


# Check for newer versions of the pre-commit script
if [ ${GIT_DIR}/hooks/pre-commit -ot ./tools/pre-commit ]; then
    echo "Pre-commit hook script is outdated, please update!"
fi

exit_status=0

for FILE in `git diff-index --cached --name-status ${COMMIT_ID} | grep -v "^D" | cut -f2 | grep "\.[ch]$"` ; do

    #Check if checkhf is good
    ./tools/checkhf.pl $FILE            || exit_status=1

    #Check if checkAPIs is good
    ./tools/checkAPIs.pl -p $FILE       || exit_status=1

    #Check if fix-encoding-args is good
    ./tools/fix-encoding-args.pl $FILE  || exit_status=1

    #Check if checkfiltername is good
    ./tools/checkfiltername.pl $FILE  || exit_status=1

done

# If there are whitespace errors, print the offending file names and fail. (from git pre-commit.sample)
git diff-index --check --cached ${COMMIT_ID}    || exit_status=1

exit $exit_status

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